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Salesforce JS-Dev-101 Exam Syllabus

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Before starting your JS-Dev-101 exam preparation, it is recommended to review the complete Salesforce Certified JavaScript Developer exam syllabus and carefully go through the exam objectives listed below. Once you understand the exam structure and objectives, you should practice using our free JS-Dev-101 questions. We also provide premium JS-Dev-101 practice test, fully updated according to the latest exam objectives, to help you accurately assess your preparedness for the actual exam.

Salesforce
Vendor
JS-Dev-101
Exam Code
147
Total Questions
7
Total Exam Domains

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JS-Dev-101 EXAM QUESTIONS

Salesforce JS-Dev-101 Exam Objectives

Section 1: Variables, Types, and Collections
Weight:
23%
  • Given a scenario, write code to create variables and initialize them correctly.
  • Given a business requirement, utilize strings, numbers, and dates effectively.
  • Given a scenario or example, demonstrate awareness of type coercion and its effects.
  • Given a specific scenario, distinguish truthy or falsey evaluations.
  • Given a list of data, demonstrate data manipulation with arrays.
  • Given a JSON response, demonstrate how to operate the JSON object.
Section 2: Objects, Functions, and Classes
Weight:
25%
  • Given a business requirement, locate the best function implementation.
  • Given a business requirement, apply fundamentals of object implementation to solve the business requirement.
  • Given a business requirement, apply fundamentals of class implementation to solve the business requirement.
  • Given a JavaScript module, give examples of how to use the module.
  • Given a JavaScript decorator, give examples of how to use the decorator.
  • Given a block of code, analyze the variable scope and the execution flow.
Section 3: Browser and Events
Weight:
17%
  • Given a business requirement, utilize Events, event handlers, and propagation.
  • Given a business requirement, evaluate and manipulate the DOM.
  • Given a scenario, utilize the Browser Dev Tools to investigate code behavior. 
  • Given a scenario and requirements, utilize browser specific APIs.
Section 4: Debugging and Error Handling
Weight:
7%
  • Given a scenario, handle errors properly.
  • Given code to be debugged, use the console and breakpoints.
Section 5: Asynchronous Programming
Weight:
13%
  • Given a scenario, apply asynchronous programming concepts.
  • Given a scenario, use event loop and event monitor or determine loop outcomes.
Section 6: Server Side JavaScript
Weight:
8%
  • Given a scenario and requirements, infer which Node.js implementation is a good solution.
  • Given a scenario and requirements, infer which Node.js CLI command is a good solution.
  • Know the core Node.js modules and given requirements, infer which Node.js library/framework is a good solution.
  • Given a scenario and requirements, distinguish which Node.Js Package Management solution is the most fitting.
Section 7: Testing
Weight:
7%
  • With a block of code and the associated Unit Test, determine where the test is ineffective and modify it to make it more effective.
Info
https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101